102 lines
1.9 KiB
Vue
102 lines
1.9 KiB
Vue
<template>
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<div
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id="analysischartLine"
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style="width: 100%"
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:style="{ height: chartHeight + 'px' }"></div>
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</template>
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<script>
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import * as echarts from 'echarts';
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import resize from '@/utils/chartMixins/resize';
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export default {
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name: 'LineChart',
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mixins: [resize],
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data() {
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return {
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chartDom: '',
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chart: '',
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chartHeight: this.tableHeight(314),
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};
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},
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props: {
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chartData: {
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type: Array,
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required: true,
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default: () => {
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return [];
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},
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},
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timeDim: {
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type: String,
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default: '',
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},
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},
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watch: {
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chartData: function () {
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this.getChart();
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},
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},
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mounted() {
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window.addEventListener('resize', () => {
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this.chartHeight = this.tableHeight(314);
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});
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},
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methods: {
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getChart() {
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if (
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this.chart !== null &&
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this.chart !== '' &&
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this.chart !== undefined
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) {
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this.chart.dispose(); // 页面多次刷新会出现警告，Dom已经初始化了一个实例，这是销毁实例
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}
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this.chartDom = document.getElementById('analysischartLine');
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this.chart = echarts.init(this.chartDom);
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let xData = [];
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let yData = [];
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for (let i = 0; i < this.chartData.length; i++) {
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let time = '';
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if (this.timeDim === '3') {
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let year = this.chartData[i].time.slice(0, 4);
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let weak = this.chartData[i].time.slice(4, 6);
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time = year + ' 第 ' + weak + ' 周';
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} else {
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time = this.chartData[i].time;
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}
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xData.push(time);
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yData.push(this.chartData[i].useNum);
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}
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var option = {
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color: ['#288AFF'],
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// tooltip: {
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// trigger: 'axis'
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// },
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grid: {
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left: '4%',
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right: '1%',
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bottom: '1%',
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containLabel: true,
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},
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xAxis: {
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type: 'category',
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data: xData,
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axisLabel: {
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rotate: '45',
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},
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},
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yAxis: {
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type: 'value',
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},
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series: [
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{
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data: yData,
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type: 'line',
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},
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],
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};
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option && this.chart.setOption(option);
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},
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},
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};
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</script> |